Flora of North America species comparison

with terminal end buds, glabrous.

with axillary end buds, usually glabrous, rarely puberulent.

persistent;

petiole 5–8 mm, glabrous, eglandular;

blade narrowly elliptic to elliptic or oblanceolate, 5–10 × 1.5–4 cm, base cuneate to obtuse, margins entire or spinose-serrate, sometimes undulate, teeth sharp, eglandular, apex usually acute to short-acuminate, sometimes obtuse-apiculate, apicula acute, surfaces glabrous, abaxial glandular, glands 2, proximal, flat, circular to oval.

deciduous; ± sessile;

blade narrowly elliptic, obovate, oblanceolate, or spatulate, 1–3 × 0.2–0.6 cm, base long-attenuate, margins usually serrulate, sometimes obscurely, teeth blunt, inconspicuously glandular, apex usually acute, sometimes obtuse, surfaces usually glabrous, sometimes puberulent.

12–30-flowered, racemes;

central axes 13–30(–43) mm, leafless at bases.

solitary flowers or 2-flowered fascicles.

1–4 mm, glabrous.

(1–)4–12 mm, glabrous.

usually bisexual, proximal sometimes staminate, blooming before leaf emergence;

hypanthium cupulate, 2.5–3 mm, glabrous externally;

sepals spreading, semicircular, 0.5–1 mm, margins usually entire, sometimes glandular-toothed, surfaces glabrous;

petals white, suborbiculate to elliptic, 1–1.5 mm;

ovaries glabrous.

blooming at leaf emergence;

hypanthium campanulate, 3–4 mm, usually glabrous, rarely puberulent externally;

sepals spreading, triangular, 1.5–2.5 mm, margins sparsely glandular-toothed, ciliate, surfaces glabrate;

petals usually dark pink, sometimes nearly white, elliptic, obovate, or suborbiculate, (5–)8–11 mm;

ovaries hairy.

black, ovoid, 9–12 mm, glabrous;

mesocarps leathery;

stones ovoid, not flattened, usually splitting open.

greenish yellow to red-orange, globose to asymmetrically obovoid, compressed, 10–18 mm, base cuneate-stipitate, apex mucronate, densely puberulent;

hypanthium persistent;

mesocarps leathery to dry (often splitting);

stones ellipsoid to subglobose, ± flattened.

= 32.